hd earth views from space station
Bookmarked 784 weeks ago
in celebration of earth day nasa presents images of earth captured by cameras aboard the international space station traveling at an approximate speed of 17500 miles per hour the space station orbits earth every 90 minutes from an altitude of approximately 220 miles and can be seen from earth with the naked eye its crew experiences 16 sunrises and sunsets each day

1962: telstar nasa
Bookmarked 698 weeks ago
launched by nasa aboard a delta rocket from cape canaveral on july 10 1962 telstar was the first privately sponsored space launch telstar was the first active communications satellite and the first satellite designed to transmit telephone and high-speed data communications its name is used to this day for a number of television broadcasting satellitesbelonging to atampampt the original telstar was part of a multi-national agreement between atampampt bell telephone laboratories nasa the british general post office and the french national ptt post telegraph ampamp telecom office to develop satellite communication bell also built the andover earth station in andover maine and held a contract with nasa reimbursing the agency three million dollars for each launch independent of successtelstar was equipped with a helical antenna which received microwave signals from a ground station then amplified and rebroadcast the signal the broadcasts were made from a series of somewhat directional feed horns distributed around the satellite039s quotequatorquot the electronics switched which antenna was active as the satellite rotatedthe main earth receiving station was goonhilly down in the south of england and was used by the bbc it was the international coordinator and the standards 525405 conversion equipment filling a very large room at that time was researched and developed by the bbc and located in the bbc television centre london also with early bird in 1964 as well as the summer olympics mostly coming into europe via the bbc the main us networks nbc cbs and abc all made their contributions from europe mainly through the bbca medium-altitude satellite telstar was placed in an elliptical orbit completed once every 2 hours and 37 minutes revolving at a 45 degree angle above the equator because of this its transmission availability for transatlantic signals was only 20 minutes in each orbit

how would aliens view our solar system
Bookmarked 793 weeks ago
from nasa astrophysics a supercomputer simulation shows how alien astronomers might have seen the formation of our solar system dust ground off icy bodies in the kuiper belt the cold-storage zone that includes pluto and millions of other objects creates a faint infrared disk potentially visible to alien astronomers looking for planets around the sun neptuneamp039s gravitational imprint on the dust is always detectable in new simulations of how this dust moves through the solar system by ramping up the collision rate the simulations show how the distant view of the solar system might have changed over its history

icymi: nasa is going to colonize a space rock
Bookmarked 482 weeks ago
get all of the links to today039s stories right here:https:wwwengadgetcom20160910icymi-nasa-is-going-to-colonize-a-space-rocktoday on in case you missed it: nasa launched the osiris-rex craft this week on its long and lonely mission to visit the bennu asteroid it039ll return to earth in seven years full of space rocks and hopefully nothing else meanwhile harvard medical school has devised a way to see how bacteria evolves to become resistant to antibioticsplus we check out the coolest fan-made daft punk helmet ever we also rounded up the biggest headlines of the week in tldr apple introduced its headphone jack-less iphone 7 sony unveiled two new playstations the whitehouse appointed the very first federal cyber security chief chipotle will start testing delivery burritos via drone and scientists built a laser using human blood as always please share any interesting tech or science videos you find by using the icymi hashtag on twitter for mskerrydsubscribe to engadget on y

journey through asteroid till apophis 2029 coe series 1 4k
Bookmarked 339 weeks ago
please subscribe and share -https:youtube3kaktwk95soltbrgtdont click this link- https:wwwyoutubecomchannelucg6za7zgaqsimjphj1e5smqsub_confirmation=1ltbrgtltbrgtthe excitement is that an object this large comes this close about once per thousand years so it039s all about what039s the opportunityampquot richard binzel a planetary scientist at mit said yesterday april 30 during the international academy of aeronautics039 planetary defense conference which is being held here this week the asteroid039s proximity and size will also add to the encounter039s brightness so apophis will capture eyeballs about 2 billion people should be able to see it pass by with their naked eyesltbrgtltbrgtdont click this link- https:wwwyoutubecomchannelucg6za7zgaqsimjphj1e5smqsub_confirmation=1

dan rasky: spacex039s collaborative design approach
Bookmarked 406 weeks ago
dr dan rasky worked as a senior scientist for nasa on cots commercial orbital transportation systems cots was a nasa-industry partnership to develop safe affordable reliable space transportation access to low-earth orbit nasa was the lead investor in the cots project much different from traditional government-owned and operated systems the cots lessons are applicable to similar capability development projects and may not be suitable for traditional government contracts click the following link to view the entire cots critical knowledge home page: http:wwwnasagovcontentcots-critical-knowledge-0

the zero g coffee cup amazing application of physics
Bookmarked 790 weeks ago
astronaut don pettit invents a zero gravity cup to drink coffee and anything else in weightlessness

nasa makes their own rain clouds
Bookmarked 567 weeks ago
nasa makes their own rain clouds

new views of endeavour039s launch from booster cameras
Bookmarked 759 weeks ago
a camera mounted on each of space shuttle endeavour039s solid rocket boosters capture the launch of the orbiter on sts-134 from nasa039s kennedy space center on may 16 and documents the srbs039 separation and subsequent landing in the atlantic ocean

mars rover opportunity landing
Bookmarked 776 weeks ago
nasa039s second rover lands safely on the martian surface schwarzenegger is in this

monster prominence
Bookmarked 770 weeks ago
when a rather large-sized m 36 class flare occurred near the edge of the sun it blew out a gorgeous waving mass of erupting plasma that swirled and twisted over a 90-minute period feb 24 2011 this event was captured in extreme ultraviolet light by nasa039s solar dynamics observatory spacecraft some of the material blew out into space and other portions fell back to the surface because sdo images are super-hd we can zoom in on the action and still see exquisite details and using a cadence of a frame taken every 24 seconds the sense of motion is by all appearances seamless sit back and enjoy the jaw-dropping solar show

sts-135: final launch of the space shuttle program
Bookmarked 752 weeks ago
space shuttle commander chris ferguson and crewmates pilot doug hurley and mission specialists sandy magnus and rex walheim are on their way to the international space station after launching from nasa039s kennedy space center at 11:29 am edt on friday july 8 sts-135 is the final mission of nasa039s space shuttle programthe 12-day mission will deliver the raffaello multi-purpose logistics module filled with more than 8000 pounds of supplies and spare parts to sustain space station operations after the shuttles are retired sts-135 is the 135th shuttle flight the 33rd flight for atlantis and the 37th shuttle mission dedicated to station assembly and maintenance

beyonce quotbrings itquot on orbit
Bookmarked 751 weeks ago
the sts-135 crew gets moving on flight day 9 with quotrun the world girlsquot after being awakened by a special greeting from songstress beyonce knowles

nasa sdo - venus approaching in 191 anstrom
Bookmarked 705 weeks ago
this channel highlights the outer atmosphere of the sun -- called the corona -- as well as hot flare plasma hot active regions solar flares and coronal mass ejections will appear bright here the dark areas -- called coronal holes -- are places where very little radiation is emitted yet are the main source of solar wind particlescredit: nasa sdo

tweets to neil armstrong
Bookmarked 692 weeks ago
over 16 million tweets were sent regarding the passing of neil armstrong on august 25th 2012video by: bigchaz and data from philogbmusic provided by: http:wwwapmmusiccom